206613820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1475813}}^1$

素因数の和:1475829

約数の個数: 24

約数和(自身を含む): 495873504

約数和(自身を除く): 289259684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1475813, 2951626, 5903252, 7379065, 10330691, 14758130, 20661382, 29516260, 41322764, 51653455, 103306910, 206613820]

約数ペア:

[(1, 206613820), (2, 103306910), (4, 51653455), (5, 41322764), (7, 29516260), (10, 20661382), (14, 14758130), (20, 10330691), (28, 7379065), (35, 5903252), (70, 2951626), (140, 1475813)]